2002 Mercury Sable "gas cap light" Questions

...gas cap light stays on! My Sable gas cap light came on today and stays. I have removed and checked the cap, looks OK I have cycles the engine several times and the cap light comes and stays on. make ...

...gas cap seems to be fine the wierd thing is it didnt have this problem untill it got cold also the pedal got real stiff and it boggs out if anyone has a solution i need your help P0452 is a loose gas ...

...gas cap is on tight. light still on. What could it be, as car seems to be running fine? If he used a "universal" O2 sensor, you could have a wiring problem. I had the exact same behavior on a Mazda ...

...check light. Car runs well. What could cause this sequence of error codes? This could be a small evaporative system leak. Check the gas cap to be installed fully. If fully installed may need

...gas cap fits normal. Please see my tip at http://www.fixya.com/cars/r5932051-check_engine_light_check. These are generic instructions. If you get stuck or need specific instructions for your car, ...

...gas cap to a transmission issue. This light comes on when the computer detects a fault of some sort in its diagnostic tests. If it keeps detecting this issue, the light will remain on. If the light ...

...gas cap or as complex as something being wrong with your emissions system. If you have a Auto Zone near by you they can put a hand held meter on your vehicle and tell you what is wrong and they do ...

...gas cap light came on today and stays. I have removed and checked the cap, looks OK I have cycles the engine several times and the cap light comes and stays on. Sorry If I am not doing this right new ...

...gas cap light.) But there are also other items on the car that use vacuum to do work. The PCV circuit . This vents the engine's crank case. Also power brakes and some ac/heater controls. Now it sound ...

Engine light is on cause gas cap was not on tight how do I reset disconnect battarie for 10 minutes and that should reset the computer and light should be off.